Bus or train from The O2 Arena to Flitwick?

London Underground (Tube) operates a train from The O2 Arena to Flitwick every 5 minutes. Tickets cost $4 - $6 and the journey takes 26 min. Thameslink also services this route every 30 minutes. Alternatively, London Underground (Tube) operates a bus from The O2 Arena to Flitwick every 5 minutes. Tickets cost $4 - $6 and the journey takes 19 min. 2 other operators also service this route.